Mechanisms of hydrogen uptake in zirconium alloys
Forskningsprojekt , 2012 – 2015

Zirconium alloys are used as fuel cladding materials in light water nuclear reactors. During service at high temperature and pressure oxidation in water takes place, and part of the released hydrogen finds its way to the metal, potentially embrittling the material. The project aims at understanding the mechanisms involved in hydrogen transport in primarily Zircaloy-2 (a Zr-Sn-Fe-Cr-Ni-O alloy) used in boiling water reactors. The oxide-metal interface region of both autoclave tested and irradiated material is studied by atom probe tomography (APT), and hydrogen transport and reduction is modeled using ab-initio methods (DFT). The function of transition metal atoms as sites for hydrogen reduction is studied.​​

Deltagare

Hans-Olof Andrén (kontakt)

Professor vid Chalmers, Fysik, Materialens mikrostruktur

Samarbetspartners

Imperial College London

London, United Kingdom

Pennsylvania State University

State college, USA

Sandvik

Stockholm, Sweden

Studsvik

Nyköping, Sweden

University of Manchester

Manchester, United Kingdom

University of Oxford

Oxford, United Kingdom

Vattenfall

Stockholm, Sweden

Finansiering

Westinghouse Electric Sweden AB

Finansierar Chalmers deltagande under 2012–2015

Relaterade styrkeområden och infrastruktur

Hållbar utveckling

Drivkrafter

Mer information

Projektet på Chalmers webb

http://www.chalmers.se/en/projects/Pages/H...

Senast uppdaterat

2018-05-30